They were all caught on camera in 2012. But which reality TV moment was the most shocking of the year? Did it belong to a housewife, Honey Boo Boo, or a hoarder?

Relive the 12 most shocking reality TV moments below and be sure to click the links at the bottom to see the Top 5:

12. "Teen Mom" really, really wants to see Ke$ha

Jenelle Evans is a huge Ke$ha fan, but the concert fell three days after she was supposed to report to jail. Watch as she tries to get her jail date pushed back (she was unsuccessful).

11. "Basketball Wives" brawl

Jennifer Williams ended up suing after getting flagrantly fouled by Nia Crooks ... even though Jen was asking for it ... literally!

10. Prisoner's dilemma on "The Bachelor Pad 3"

Finalist Nick Peterson chose to "keep" the $250,000 prize while Rachel Trueheart decided to "share." Had both decided to "share," they would've split the pot. Had both decided to "keep," neither would've won. Her reaction is priceless ... well, you could say it's worth $250,000.

9. Khloe Kardashian wardrobe malfunction on "The X Factor"

Khloe Kardashian -- and her nipples -- made a memorable first impression in her TV hosting debut.

8. Rihanna and her "Her" on "The Ellen DeGeneres Show"

We didn't think wild child Rihanna could get embarrassed, until Ellen DeGeneres proved she could.

7. Kim Zolciak storms off "The Real Housewives of Atlanta"

Kim Zolciak -- one of the original "Real Housewives of Atlanta" -- quits the show unexpectedly and dramatically.